✦ LIBER ✦

Use of ultrasound to determine the state of the roof rocks of mining-out rooms

✍ Scribed by O. A. Baikonurov; T. M. Ermekov

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The use of measurements of the velocity

✍ L. B. Zuev; B. S. Semukhin; A. G. Lunev 📂 Article 📅 2010 🏛 Springer US 🌐 English ⚖ 218 KB

The stressed state of roof rock during s

✍ Yu. M. Liberman; R. I. Khaimova-Mal'kova 📂 Article 📅 1975 🏛 Springer 🌐 English ⚖ 199 KB

Analysis of the causes of caving of the

✍ I. Ya. Elisovetskii; V. S. Solov'ev; V. V. Sergeev; A. K. Samusenko 📂 Article 📅 1978 🏛 Springer 🌐 English ⚖ 302 KB

The use of test rooms to determine the t

✍ P.R. Dolley; C.J. Martin; D.M.J. Watson 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 406 KB

Use of electromagnetic radiation to meas

✍ V. V. Maslennikova; N. V. Semevskaya 📂 Article 📅 1978 🏛 Springer 🌐 English ⚖ 259 KB

Determination of the stresses in the flo

✍ I. M. Petukhov; É. N. Rabota; A. M. Lin'kov; V. S. Sidorov 📂 Article 📅 1976 🏛 Springer 🌐 English ⚖ 551 KB